Surf Forecasts:
Kennebunk Beach surf forecast from 16 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 11AM (local time) - 4.5ft (1.3m), 6s period, E swell with offshore winds.
- Most powerful swell: Wednesday 23 Sep, 2AM (local time) - 4.5ft (1.3m), 8s period, ESE swell with 181 kJ wave energy.
- Next surfable swell (1★+): Tuesday 22 Sep, 11AM (local time) - 4.5ft (1.3m), 6s period with E swell.
Best Forecast Surf Conditions for Kennebunk Beach this week:
The surf forecast for Kennebunk Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 22) at 11AM. The primary swell is predicted to be 1.3m and 6s period with a secondary swell of 0.1m and 14s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Kennebunk Beach in the next 16 days are 1.3m 8s and forecast to arrive on Wednesday (Sep 23) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Friday (Sep 18) at 11PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Tue 22nd Sep) | 4.5ft (1.3m) 6s |
| Best Surf | 11AM (Tue 22nd Sep) | 4.5ft (1.3m) 6s |
| Most Powerful | 2AM (Wed 23rd Sep) | 4.5ft (1.3m) 8s |
Table - best surf conditions forecast for Kennebunk Beach over the next 16 days.
The Lowdown
Alright, I’ll level with you—this stretch of the coast is flat-lining, and Kennebunk Beach is feeling it. For a good week and change, there is just no surf worth paddling for. It's a real bust, and I mean that in the kindest way possible. We’re looking at lots of tiny, wind-chopped whitewash and more broken boards than broken waves.
The first sign of actual swell arrives on the 22nd. A 1.3m east swell shows at dawn with a clean offshore, but the period is a weak 6 seconds. It’s surfable, but just barely. Not a day to get excited about. The 23rd and 24th do see some size, but the wind turns onshore on the 24th, making it lumpy and out of sorts.
Then, the morning of the 25th is where you want to set that alarm. That's the standout. Clean, glassy dawn with 1.7m of easterly swell and a 8 second interval. The energy is there – we’re talking solid juice – and those early morning conditions are going to make it the most ridable wave of the whole period. It’s not a super powerful period, but it’s clean and it’s got push. That’s your window.
After that, the 1st of October offers a surprise late pick: smaller 0.8m swell, but with a much longer 13-second groundswell and strong, clean offshore NNE winds. That could produce some surprisingly clean lines if you’re patient.
Besides those couple of windows, the water is average for this time of year, and the surf just never comes together. The 25th is the only morning I’d be truly amped for. The rest? Maybe just wax up and enjoy the sunrise, because the surf is all promise, no delivery.
Rusty
Short Range ForecastMostly dry. Warm (max 24°C on Wed night, min 13°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 16°C on Fri night, min 8°C on Sat morning). Wind will be generally light. | ||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | ESE 9 | ESE 9 | S 4 | ESE 8 | E 8 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | SE 8 | ESE 11 | ESE 11 | ESE 8 | ESE 8 | ESE 10 | ESE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 8 | 8 | 27 | 20 | 29 | 27 | 27 | 28 | 18 | 25 | 25 | 23 | 15 | 23 | 11 | 14 | 13 | 10 | 83 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-off | off | glassy | on | cross | cross-off | cross-off | glassy | cross-on | on | on | cross-on | cross-off | off | cross-off | cross-off |
High Tide | 3:22AM2.54m | 3:31PM2.75m | 4:11AM2.39m | 4:19PM2.64m | 5:06AM2.28m | 5:14PM2.55m | 6:04AM2.21m | 6:12PM2.51m | 7:04AM2.20m | 7:13PM2.51m | 8:02AM2.25m | 8:10PM2.56m | |||||||
Low Tide | 9:05PM0.14m | 9:16AM0.40m | 9:54PM0.27m | 10:03AM0.53m | 10:47PM0.38m | 10:56AM0.64m | 11:46PM0.48m | 11:54AM0.70m | 00:49AM0.52m | 12:56PM0.70m | 1:50AM0.49m | 1:55PM0.65m | 2:43AM0.43m | ||||||
 |  |  | | |  |  | | |  | | | | |  |  | | | | |
 | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — |
 | 6:52 | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:42 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — |
Temp °C | 14 | 17 | 22 | 24 | 18 | 18 | 18 | 24 | 24 | 16 | 12 | 14 | 13 | 13 | 11 | 12 | 13 | 14 | 13 |
Feels °C | 11 | 14 | 19 | 23 | 17 | 19 | 19 | 22 | 19 | 10 | 10 | 10 | 9 | 10 | 8 | 12 | 8 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | S 5 | E 8 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | SE 8 | ESE 11 | ESE 11 | ESE 8 | SSE 5 | ESE 8 | ESE 7 |
| kJ | 8 | 8 | 7 | 21 | 29 | 27 | 27 | 28 | 18 | 25 | 25 | 23 | 15 | 23 | 11 | 14 | 5 | 6 | 83 |
Swell 2 Height (m) Direction Period (s) | E 4 | SE 13 | SE 13 | ESE 8 | S 4 | — | SSE 4 | SSE 4 | ESE 12 | ESE 12 | ESE 11 | ENE 6 | ESE 11 | SE 7 | ESE 8 | ESE 10 | ESE 8 | ESE 10 | E 15 |
| kJ | 2 | 7 | 7 | 20 | 1 | — | 1 | 4 | 14 | 13 | 13 | 10 | 12 | 8 | 6 | 11 | 13 | 10 | 4 |
Swell 3 Height (m) Direction Period (s) | SE 7 | E 13 | E 13 | SE 13 | ESE 12 | ESE 12 | SE 12 | ESE 12 | SSE 4 | SE 12 | SE 12 | ESE 11 | NE 6 | SE 11 | SE 9 | SSE 3 | ESE 10 | SE 9 | — |
| kJ | 2 | 4 | 4 | 7 | 15 | 15 | 6 | 14 | 1 | 6 | 6 | 13 | 1 | 5 | 3 | 1 | 10 | 3 | — |
Wind waves Height (m) Direction Period (s) | SSW 3 | SSW 3 | S 4 | — | NE 3 | S 3 | — | — | — | NNE 4 | NE 5 | — | S 3 | S 3 | S 3 | — | NE 4 | ESE 6 | — |
| kJ | 2 | 4 | 27 | — | 1 | 1 | — | — | — | 43 | 22 | — | 5 | 5 | 3 | — | 17 | 42 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 585 | 472 | 818 | 155 | 155 | 11 | 11 | 11 | 296 | 11 | 11 | 1326 | 586 | 700 | 388 | 852 | 402 | 400 | 235 |
Best forecast wave conditions in Maine | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Kennebunk Beach Surf forecast
The above surf forecast table for Kennebunk Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennebunk Beach can be found by selecting the local surf guide option on the grey menu. Our Kennebunk Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kennebunk Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kennebunk Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kennebunk Beach is 17 km (11 miles) from Biddeford. If you plan a vacation in Maine, look for hotels and other accommodation in Biddeford. Biddeford has rooms for a wide range of budgets as well as car hire and transport links.
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